Alcohol withdrawal symptoms: CIWA - Ar score over time.
Comparisons: GBP 900mg vs 1200mg: t = 5.83, p = 0.019
GBP 900mg vs Lorazepam: Not significant
GBP 1200mg vs Lorazepam: t = 6.86, p = 0.011
* Baseline CIWA-Ar score used as a covariate in the analysis